Sir Robert McAlpine has won the £20m job to build a 40,000 sq ft Mayfair office building for Grosvenor

The BFLS-designed scheme, developed by Grosvenor, comprises six floors of office space at 18-20 Grosvenor Street, London and includes two retail units at 18 Grovesnor Street and 20 Brook’s Mews.

Vince Corrigan, Main Board Director and Regional Manager for London and South

East for Sir Robert McAlpine Ltd, said:”We have a long standing relationship with Grosvenor on its London estate and we are proud to have been entrusted again with the delivery of another prestigious and exciting development”

EC Harris is the QS on the scheme and Ramboll is the engineer.

The scheme is expected to be complete in early 2015.